CN112921947A - Foundation construction method in house building construction - Google Patents
Foundation construction method in house building construction Download PDFInfo
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- CN112921947A CN112921947A CN202110308752.4A CN202110308752A CN112921947A CN 112921947 A CN112921947 A CN 112921947A CN 202110308752 A CN202110308752 A CN 202110308752A CN 112921947 A CN112921947 A CN 112921947A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of building construction, and discloses a foundation construction method in house building construction, which comprises the following steps: processing before building construction; respectively determining rigid pile points and dynamic compaction points in holes in a planned area for building construction; constructing and tamping the tamping holes at the marked strong tamping points in the holes; drilling holes at the marked rigid pile points and performing rigid pile construction; and paving a mattress layer on the surface of the construction site to form a composite foundation. In the foundation construction method in the house building construction, the dynamic compaction construction in the hole is carried out, the protection of the rigid pile is not required to be considered, the construction limitation is less, and the construction is convenient; after the construction of the rigid pile is finished, the upper load can be directly borne, and the bearing capacity is enhanced. The foundation construction method in the house building construction has simple construction process and high construction efficiency, can reduce the number of rigid piles under the condition of meeting the requirement of bearing capacity, and can realize the reduction of resource use and cost.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a foundation construction method in building construction.
Background
At present, in a composite foundation, rigid piles such as cement fly ash gravel piles (CFG piles) and reinforcement cage cast-in-place piles bear most of load, and because the pile diameter of the rigid piles is small, the lateral resistance of soil bodies on the pile sides of the rigid piles cannot be fully utilized, in order to meet the requirement of bearing capacity, the distance between the rigid piles has to be shortened, so that the number of the used rigid piles is increased, and the construction cost is increased. The resource of carrying out foundation construction among the prior art occupies manyly, and extravagant serious, carries out the cost of foundation construction higher and the bearing capacity of foundation is relatively poor. Therefore, a new foundation construction method in building construction is needed.
Through the above analysis, the problems and defects of the prior art are as follows: the resource of carrying out foundation construction among the prior art occupies manyly, and extravagant serious, carries out the cost of foundation construction higher and the bearing capacity of foundation is relatively poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a foundation construction method in building construction.
The invention is realized in such a way that the foundation construction method in the house building construction comprises the following steps:
step one, processing before house building construction: carrying out safety bottom-crossing and field inspection on house building construction by professional safety personnel; acquiring a house building construction drawing and carrying out the planning of a house building construction planning area on the ground according to the drawing; cleaning the ground surface of the planned building construction planning area; carrying out land leveling on the defined housing construction planning area, keeping the ground level in the area, and finishing the treatment before the construction of the housing construction planning area;
step two, respectively determining rigid pile points and dynamic compaction points in holes in a planned area for building construction: acquiring a house building construction drawing through a positioning device, and marking a strong tamping point in a hole in a house building construction planning area according to the drawing; selecting four marked holes of the dynamic compaction points to perform cross connection to form diagonal lines, wherein the intersection points of the diagonal lines are rigid pile points, and performing special marking on the rigid pile points; connecting any two adjacent rigid pile points, wherein the middle point of the connecting line is marked as a strong tamping point in the hole;
step three, determining the dynamic compaction hole depth according to the house building construction drawing to obtain the standard dynamic compaction depth: acquiring the height of the house building in a house building construction drawing, acquiring the soil bearing capacity of a house building construction planning area, and determining the depth of a dynamic compaction hole according to the acquired height and soil bearing capacity of the house building;
fourthly, constructing and tamping the tamping holes at the marked dynamic tamping points in the holes: after the standard dynamic compaction depth is obtained, hammering vertically downwards by using a heavy hammer to obtain a sunken part at a dynamic compaction point in a hole marked in a planned area for building construction; continuously hammering the sunken part by using a heavy hammer, and pressing down the protective sleeve to follow up to obtain a ramming hole; sinking a heavy hammer of a dynamic compactor into the protective cylinder for dynamic compaction; after the construction of dynamic compaction in the hole is completed, trial compaction is carried out, the optimal compaction parameters are determined, and full compaction of the whole field in the planned area of the house building construction is carried out according to the determined optimal compaction parameters;
step five, drilling holes at the marked rigid pile points and performing rigid pile construction: determining the depth of a rigid pile point according to a building construction drawing to obtain the depth of a standard hole; horizontally erecting a pile frame of a pile machine at a rigid pile point marked in a building construction planning area, firmly pulling by using a steel cable, lifting the rigid pile, slowly putting down the rigid pile, inserting the rigid pile into soil, hammering and piling; when the driving depth of the pile is consistent with the depth of the standard hole, the hammer is retracted and the pile driver is moved;
step six, paving a mattress layer on the surface of the construction site to form a composite foundation: constructing a composite pile foundation on the surface of a construction site, and excavating soil from the surface of the construction site to a foundation plane; excavating a mattress pit at the edge of each composite pile foundation on a building base surface, and then chiseling off part of the composite pile foundation to enable the top end of the composite pile foundation to be located at the bottom of the mattress pit; paving an anti-seepage geomembrane in the mattress pit, enabling the anti-seepage geomembrane to be attached to the inner wall of the mattress pit, extending the anti-seepage geomembrane out of the mattress pit, forming a skirt edge at the edge of a pit opening of the mattress pit, and then filling gravel sand in the mattress pit; and laying a concrete layer on the base building surface, penetrating the skirt edge through the concrete layer, then laying a building bottom plate, and connecting the skirt edge with the building bottom plate to form the composite foundation.
Further, in the step one, before the planning of the building construction planning area is carried out on the ground according to the drawing, the integrity of the building construction drawing is determined.
Further, in the step one, the cleaning of the ground surface of the planned housing construction planning area includes removing construction waste, dry branches and fallen leaves or other non-soil impurities covered on the ground surface of the housing construction planning area.
Further, in step two, positioner includes laser range finder, laser range finder's bottom fixedly connected with height adjusting mechanism, the one end that height adjusting mechanism kept away from laser range finder is connected with the rotation post, the one end fixedly connected with spirit level that height adjusting mechanism was kept away from to the rotation post.
Further, height adjusting mechanism includes activity dish and screw thread post, laser range finder fixed connection is on the top of activity dish, screw thread post fixed connection is in the bottom of activity dish.
Further, in the second step, in the marking of the dynamic compaction points in the holes, the distance between any two adjacent dynamic compaction points in the holes is 8-12 m.
Further, in step four, pressing down and protecting a section of thick bamboo and follow-up, include: and continuing to follow until the depth of the concave part reaches the standard dynamic compaction depth.
Further, in the fourth step, sinking a heavy hammer of the dynamic compactor into the protective cylinder for dynamic compaction, including: the tamping height of the heavy hammer is set to be 10-12 m, and the weight of the heavy hammer is set to be 500-1000 kg.
Further, in the fifth step, hoisting the rigid pile and slowly putting down and inserting into the soil to hammer and pile, including: after the pile tip is inserted into the pile position, firstly low hammering is carried out, the pile is vertically stable after the pile is buried, and then hammering is carried out for piling.
Further, the number of times of low hammering is 1-2 times.
By combining all the technical schemes, the invention has the advantages and positive effects that: in the foundation construction method in the house building construction provided by the invention, the dynamic compaction construction in the hole is carried out, the protection of the rigid pile is not required to be considered, the construction restriction is less, and the construction is convenient; after the construction of the rigid pile is finished, the frictional resistance is positive, the upper load can be directly borne, and the bearing capacity is enhanced. The foundation construction method in the house building construction has the advantages of simple construction process and high construction efficiency, can reduce the number of rigid piles under the condition of meeting the requirement of bearing capacity, and can realize the effects of reducing the use of resources and reducing the cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a flow chart of a foundation construction method in building construction according to an embodiment of the present invention.
Fig. 2 is a flow chart of a processing method before house building construction according to an embodiment of the present invention.
Fig. 3 is a flowchart of a method for determining rigid pile points and dynamic compaction points in holes in a planned area for building construction according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for constructing and tamping a dynamic compaction point in a marked hole according to an embodiment of the present invention.
Fig. 5 is a flowchart of a method for drilling holes at marked rigid pile points and performing rigid pile construction according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a foundation construction method in building construction, and the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a method for constructing a foundation in building construction according to an embodiment of the present invention includes the following steps:
s101, processing before building construction;
s102, respectively determining rigid pile points and dynamic compaction points in holes in a planned area for building construction;
s103, determining the dynamic compaction hole depth according to a building construction drawing to obtain a standard dynamic compaction depth;
s104, constructing and tamping the tamping holes at the marked strong tamping points in the holes;
s105, drilling holes in the marked rigid pile points and performing rigid pile construction;
and S106, paving a mattress layer on the surface of the construction site to form a composite foundation.
As shown in fig. 2, in step S101, the processing performed before the building construction according to the embodiment of the present invention includes:
s201, making full-time safety personnel perform safe bottom-crossing and on-site inspection of house building construction;
s202, acquiring a house building construction drawing and carrying out the planning of a house building construction planning area on the ground according to the drawing;
s203, cleaning the ground surface of the planned building construction planning area;
and S204, leveling the land of the planned house building construction planning area, keeping the ground level in the area, and finishing the treatment before the construction of the house building construction planning area.
In step S202, before the planning of the building construction planning area is performed on the ground according to the drawing provided in the embodiment of the present invention, the integrity of the building construction drawing is determined.
In step S203, the cleaning of the ground surface of the planned housing construction planning area according to the embodiment of the present invention includes removing building wastes, dry branches, fallen leaves, or other non-soil impurities covered on the ground surface of the housing construction planning area.
As shown in fig. 3, in step S102, the determining of the rigid pile point and the dynamic compaction point in the hole in the planned area for building construction according to the embodiment of the present invention includes:
s301, acquiring a house building construction drawing through a positioning device, and marking a dynamic compaction point in a hole in a house building construction planning region according to the drawing;
s302, selecting four marked strong tamping points in the hole to perform cross connection to form diagonal lines, wherein the intersection points of the diagonal lines are rigid pile points, and performing special marking on the rigid pile points;
and S303, connecting any two adjacent rigid pile points, wherein the middle point of the connecting line is marked as a strong tamping point in the hole.
In step S301, the positioning device provided in the embodiment of the present invention includes a laser range finder, a height adjusting mechanism is fixedly connected to a bottom end of the laser range finder, a rotating column is connected to one end of the height adjusting mechanism away from the laser range finder, and a level is fixedly connected to one end of the rotating column away from the height adjusting mechanism; wherein, height adjusting mechanism includes activity dish and screw thread post, laser range finder fixed connection is on the top of activity dish, screw thread post fixed connection is in the bottom of activity dish.
In step S301, in the marking of the dynamic compaction points in the hole provided in the embodiment of the present invention, the distance between any two adjacent dynamic compaction points in the hole is 8 to 12 m.
In step S103, the determining of the dynamic compaction hole depth according to the house construction drawing provided in the embodiment of the present invention to obtain the standard dynamic compaction depth includes: the method comprises the steps of obtaining the height of the house building in house building construction drawings, obtaining soil bearing capacity of a house building construction planning area, and determining the dynamic compaction hole depth through the obtained height and soil bearing capacity of the house building.
As shown in fig. 4, in step S104, constructing and tamping a tamping hole at the marked dynamic compaction point in the hole according to the embodiment of the present invention, including:
s401, after standard dynamic compaction depth is obtained, hammering vertically downwards by using a heavy hammer to perform dynamic compaction points in holes marked in a planned area for building construction to obtain a depressed part;
s402, continuously hammering the sunken part by using a heavy hammer, pressing down the pile casing for follow-up to obtain a tamping hole, and sinking the heavy hammer of a dynamic compactor into the pile casing for dynamic compaction;
and S403, after the dynamic compaction construction in the hole is finished, full compaction is carried out on the whole ground in the planned area of the building construction.
In step S402, the step of pressing down the casing for follow-up according to the embodiment of the present invention includes: and continuing to follow until the depth of the concave part reaches the standard dynamic compaction depth.
In step S402, sinking a heavy hammer of the dynamic compactor into the casing for dynamic compaction includes: the tamping height of the heavy hammer is set to be 10-12 m, and the weight of the heavy hammer is set to be 500-1000 kg.
In step S403, the full compaction of the whole ground in the planned area for building construction according to the embodiment of the present invention includes: trial tamping and determining the optimal tamping parameters; and carrying out full tamping on the whole field according to the determined optimal tamping parameters.
As shown in fig. 5, in step S105, drilling a hole at a marked rigid pile point and performing rigid pile construction according to an embodiment of the present invention includes:
s501, determining the depth of a rigid pile point according to a building construction drawing to obtain the depth of a standard hole;
s502, horizontally erecting a pile frame of a pile machine at a rigid pile point marked in a building construction planning area, using a steel cable to fasten the pile frame, lifting the rigid pile, slowly putting down the rigid pile, inserting the rigid pile into soil, hammering and piling;
and S503, when the driving depth of the pile is consistent with the depth of the standard hole, the hammer is retracted and the pile driver is moved.
In step S502, hoisting a rigid pile and slowly lowering the rigid pile provided in the embodiment of the present invention, inserting the rigid pile into soil, hammering and piling the rigid pile, including: after the pile tip is inserted into the pile position, firstly low hammering is carried out, the pile is vertically stable after the pile is buried, and then hammering is carried out for piling.
The low hammering frequency provided by the embodiment of the invention is 1-2 times.
In step S106, the step of laying a mattress layer on the surface of the construction site to form a composite foundation includes:
(1) constructing a composite pile foundation on the surface of a construction site, and excavating soil from the surface of the construction site to a foundation plane;
(2) excavating a mattress pit at the edge of each composite pile foundation on a building base surface, and then chiseling off part of the composite pile foundation to enable the top end of the composite pile foundation to be located at the bottom of the mattress pit;
(3) paving an anti-seepage geomembrane in the mattress pit, enabling the anti-seepage geomembrane to be attached to the inner wall of the mattress pit, extending the anti-seepage geomembrane out of the mattress pit, forming a skirt edge at the edge of a pit opening of the mattress pit, and then filling gravel sand in the mattress pit;
(4) and laying a concrete layer on the base building surface, penetrating the skirt edge through the concrete layer, then laying a building bottom plate, and connecting the skirt edge with the building bottom plate to form the composite foundation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.
Claims (10)
1. A foundation construction method in building construction is characterized by comprising the following steps:
step one, processing before house building construction: carrying out safety bottom-crossing and field inspection on house building construction by professional safety personnel; acquiring a house building construction drawing and carrying out the planning of a house building construction planning area on the ground according to the drawing; cleaning the ground surface of the planned building construction planning area; carrying out land leveling on the defined housing construction planning area, keeping the ground level in the area, and finishing the treatment before the construction of the housing construction planning area;
step two, respectively determining rigid pile points and dynamic compaction points in holes in a planned area for building construction: acquiring a house building construction drawing through a positioning device, and marking a strong tamping point in a hole in a house building construction planning area according to the drawing; selecting four marked holes of the dynamic compaction points to perform cross connection to form diagonal lines, wherein the intersection points of the diagonal lines are rigid pile points, and performing special marking on the rigid pile points; connecting any two adjacent rigid pile points, wherein the middle point of the connecting line is marked as a strong tamping point in the hole;
determining the dynamic compaction hole depth according to a building construction drawing to obtain a standard dynamic compaction depth, acquiring the height of the building in the building construction drawing, acquiring the soil bearing capacity of a building construction planning area, and determining the dynamic compaction hole depth according to the acquired height of the building and the soil bearing capacity;
fourthly, constructing and tamping the tamping holes at the marked dynamic tamping points in the holes: after the standard dynamic compaction depth is obtained, hammering vertically downwards by using a heavy hammer to obtain a sunken part at a dynamic compaction point in a hole marked in a planned area for building construction; continuously hammering the sunken part by using a heavy hammer, and pressing down the protective sleeve to follow up to obtain a ramming hole; sinking a heavy hammer of a dynamic compactor into the protective cylinder for dynamic compaction; after the construction of dynamic compaction in the hole is completed, trial compaction is carried out, the optimal compaction parameters are determined, and full compaction of the whole field in the planned area of the house building construction is carried out according to the determined optimal compaction parameters;
step five, drilling holes at the marked rigid pile points and performing rigid pile construction: determining the depth of a rigid pile point according to a building construction drawing to obtain the depth of a standard hole; horizontally erecting a pile frame of a pile machine at a rigid pile point marked in a building construction planning area, firmly pulling by using a steel cable, lifting the rigid pile, slowly putting down the rigid pile, inserting the rigid pile into soil, hammering and piling; when the driving depth of the pile is consistent with the depth of the standard hole, the hammer is retracted and the pile driver is moved;
step six, paving a mattress layer on the surface of the construction site to form a composite foundation: constructing a composite pile foundation on the surface of a construction site, and excavating soil from the surface of the construction site to a foundation plane; excavating a mattress pit at the edge of each composite pile foundation on a building base surface, and then chiseling off part of the composite pile foundation to enable the top end of the composite pile foundation to be located at the bottom of the mattress pit; paving an anti-seepage geomembrane in the mattress pit, enabling the anti-seepage geomembrane to be attached to the inner wall of the mattress pit, extending the anti-seepage geomembrane out of the mattress pit, forming a skirt edge at the edge of a pit opening of the mattress pit, and then filling gravel sand in the mattress pit; and laying a concrete layer on the base building surface, penetrating the skirt edge through the concrete layer, then laying a building bottom plate, and connecting the skirt edge with the building bottom plate to form the composite foundation.
2. The method for constructing a foundation in building construction according to claim 1, wherein in the first step, the integrity of the building construction drawing is determined before the planning of the building construction planning area is performed on the ground according to the drawing.
3. The method for constructing a foundation in building construction according to claim 1, wherein in the first step, the cleaning of the ground surface of the planned building construction planning region comprises removing building wastes, dry branches and fallen leaves or other non-soil impurities covered on the ground surface of the planned building construction planning region.
4. The method for constructing a foundation in building construction according to claim 1, wherein in the second step, the positioning device comprises a laser distance measuring device, a height adjusting mechanism is fixedly connected to the bottom end of the laser distance measuring device, a rotating column is connected to one end of the height adjusting mechanism far away from the laser distance measuring device, and a level is fixedly connected to one end of the rotating column far away from the height adjusting mechanism.
5. The method of constructing a foundation in building construction according to claim 4, wherein the height adjusting means comprises a movable plate and a threaded post, the laser rangefinder is fixedly attached to a top end of the movable plate, and the threaded post is fixedly attached to a bottom end of the movable plate.
6. The foundation construction method in building construction according to claim 1, wherein in the second step, in the marks of the dynamic compaction points in the holes, the distance between any two adjacent dynamic compaction points in the holes is 8 to 12 m.
7. The method for constructing a foundation in building construction according to claim 1, wherein in the fourth step, the step of following the lower-pressure casing comprises: and continuing to follow until the depth of the concave part reaches the standard dynamic compaction depth.
8. The method for constructing a foundation in building construction according to claim 1, wherein the step four of sinking a heavy hammer of a dynamic compactor into the casing for dynamic compaction includes: the tamping height of the heavy hammer is set to be 10-12 m, and the weight of the heavy hammer is set to be 500-1000 kg.
9. A foundation construction method in building construction according to claim 1, wherein in the fifth step, the rigid pile is lifted and slowly lowered to be inserted into the soil to be hammered and driven, and the method comprises: after the pile tip is inserted into the pile position, firstly low hammering is carried out, the pile is vertically stable after the pile is buried, and then hammering is carried out for piling.
10. The method of constructing a foundation in building construction according to claim 9, wherein the number of times of the low hammering is 1 to 2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308752.4A CN112921947A (en) | 2021-03-23 | 2021-03-23 | Foundation construction method in house building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308752.4A CN112921947A (en) | 2021-03-23 | 2021-03-23 | Foundation construction method in house building construction |
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| CN112921947A true CN112921947A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110308752.4A Withdrawn CN112921947A (en) | 2021-03-23 | 2021-03-23 | Foundation construction method in house building construction |
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| CN (1) | CN112921947A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324024A (en) * | 2022-08-10 | 2022-11-11 | 周铁华 | Construction method of engineering foundation by dynamic compaction method |
| CN115506327A (en) * | 2022-11-07 | 2022-12-23 | 宁夏晟博建工有限公司 | Construction method for building foundation |
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| CN101591906A (en) * | 2009-06-19 | 2009-12-02 | 上海现代建筑设计(集团)有限公司 | The method for processing foundation of intubate, multipass vacuum well-point dewatering dynamic consolidation |
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| CN105155505A (en) * | 2015-08-21 | 2015-12-16 | 四川九鼎智远知识产权运营有限公司 | Construction method for rigid pile composite foundation |
| CN105201006A (en) * | 2015-08-21 | 2015-12-30 | 四川九鼎智远知识产权运营有限公司 | Composite foundation construction method |
| CN108331002A (en) * | 2018-01-25 | 2018-07-27 | 广东粤水电勘测设计有限公司 | A kind of design and construction method of ground mattress layer |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591906A (en) * | 2009-06-19 | 2009-12-02 | 上海现代建筑设计(集团)有限公司 | The method for processing foundation of intubate, multipass vacuum well-point dewatering dynamic consolidation |
| CN104264655A (en) * | 2014-10-16 | 2015-01-07 | 中化岩土工程股份有限公司 | Preformed hole deep-layer underwater tamping method |
| CN105155505A (en) * | 2015-08-21 | 2015-12-16 | 四川九鼎智远知识产权运营有限公司 | Construction method for rigid pile composite foundation |
| CN105201006A (en) * | 2015-08-21 | 2015-12-30 | 四川九鼎智远知识产权运营有限公司 | Composite foundation construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115324024A (en) * | 2022-08-10 | 2022-11-11 | 周铁华 | Construction method of engineering foundation by dynamic compaction method |
| CN115506327A (en) * | 2022-11-07 | 2022-12-23 | 宁夏晟博建工有限公司 | Construction method for building foundation |
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Application publication date: 20210608 |